Department of Radiation Oncology;
Sindh Institute of Urology and Transplantation;
Department of Surgical Oncology;
Sindh Institute of Urology and Transplantation;
Department of Medical Oncology;
Sindh Institute of Urology and Transplantation;
Department of Gastroenterology;
Sindh Institute of Urology and Transplantation;
Department of Radiology;
Sindh Institute of Urology and Transplantation;
Department of Pathology;
Sindh Institute of Urology and Transplantation;
High dose rate; Intraluminal brachytherapy boost; Locally advanced rectal cancer; Preoperative chemoradiation;